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                [Usaco2008 Open]Cow Neighborhoods 奶牛的邻居                </h1>
                <p>时间限制：5s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：64MB</p>			</div>
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                                <h3>题目描述</h3><p><div><span style="font-size: medium">了解奶牛们的人都知道，奶牛喜欢成群结队．观察约翰的N(1&le;N&le;100000)只奶牛，你会</span><span style="font-size: medium">发现她们已经结成了几个&ldquo;群&rdquo;．每只奶牛在吃草的时候有一个独一无二的位置坐标Xi，Yi(l&le;Xi，Yi&le;[1．.10^9]；Xi，Yi&isin;整数．当满足下列两个条件之一，两只奶牛i和j是属于同一个群的：</span></div>
<div><span style="font-size: medium">&nbsp;&nbsp;1．两只奶牛的曼哈顿距离不超过C(1&le;C&le;10^9)，即lXi&nbsp;-&nbsp;xil+IYi&nbsp;-&nbsp;Yil&le;C.</span></div>
<div><span style="font-size: medium">&nbsp;&nbsp;2．两只奶牛有共同的邻居．即，存在一只奶牛k，使i与k，j与k均同属一个群．</span></div>
<div><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;给出奶牛们的位置，请计算草原上有多少个牛群，以及最大的牛群里有多少奶牛</span></div></p><hr/><h3>输入格式</h3><p><p><span style="font-size: medium"><span lang="EN-US" style="font-family: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp;</span><span style="font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">第</span><span lang="EN-US" style="font-family: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1</span><span style="font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">行输入</span><span lang="EN-US" style="font-family: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">N</span><span style="font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">和</span><span lang="EN-US" style="font-family: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">C</span><span style="font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">，之后</span><span lang="EN-US" style="font-family: &quot;Times New Roman&quot;; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">N</span><span style="font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">行每行输入一只奶牛的坐标．</span></span></p></p><hr/><h3>输出格式</h3><p><p><span style="font-size: medium"><span style="font-family: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">仅一行，先输出牛群数，再输出最大牛群里的牛数，用空格隔开．</span></span></p></p><hr/><h3>样例输入</h3><pre>4 2
1 1
3 3
2 2
10 10

* Line 1: A single line with a two space-separated integers: the
        number of cow neighborhoods and the size of the largest cow
        neighborhood.



</pre><hr/><h3>样例输出</h3><pre>2 3

OUTPUT DETAILS:
There are 2 neighborhoods, one formed by the first three cows and
the other being the last cow. The largest neighborhood therefore
has size 3.

</pre><hr/><h3>提示</h3><p>没有写明提示</p><hr/><h3>题目来源</h3><p>Gold</p>
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